(gdb) bt
#0  0x00007f57281d8365 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#1  0x00007f57281d9f7a in __GI_abort () at abort.c:89
#2  0x00000000005a561b in OsAbort () at utils.c:1408
#3  0x000000000047bb9f in ddxGiveUp (error=<optimized out>) at xf86Init.c:1066
#4  0x00000000005ac38f in AbortServer () at log.c:874
#5  0x00000000005aad4d in FatalError (f=0x5d9462 "Caught signal %d (%s). Server aborting\n") at log.c:1015
#6  0x00000000005a31b9 in OsSigHandler (signo=11, sip=0x7ffcb25694f0, unused=<optimized out>) at osinit.c:150
#7  <signal handler called>
#8  amdgpu_vamgr_find_va (mgr=<optimized out>, size=<optimized out>, alignment=<optimized out>, base_required=<optimized out>) at amdgpu_vamgr.c:84
#9  0x00007f57212cb80d in amdgpu_device_initialize (fd=<optimized out>, major_version=<optimized out>, minor_version=<optimized out>, device_handle=0x109f9a8)
    at amdgpu_device.c:266
#10 0x00007f57214d754c in ?? ()
#11 0x0000000000000001 in ?? ()
#12 0x000000000109f9a0 in ?? ()
#13 0x0000000000000001 in ?? ()
#14 0x000000000104d100 in ?? ()
#15 0x000000000106b018 in ?? ()
#16 0x000000000109e9e0 in ?? ()
#17 0x0000000000000001 in ?? ()
#18 0x000000000109e1f0 in ?? ()
#19 0x0000000000000001 in ?? ()
#20 0x0000000001099ae0 in ?? ()
#21 0x000000000106b018 in ?? ()
#22 0x00000000004965eb in doPlatformProbe (dev=<optimized out>, drvp=<optimized out>, gdev=<optimized out>, flags=<optimized out>, match_data=<optimized out>)
    at xf86platformBus.c:384
#23 0x0000000000495fe5 in probeSingleDevice (dev=<optimized out>, drvp=<optimized out>, gdev=<optimized out>, flags=<optimized out>) at xf86platformBus.c:408
#24 0x0000000000495f1a in xf86platformProbeDev (drvp=<optimized out>) at xf86platformBus.c:462
#25 0x000000000046d2f9 in xf86CallDriverProbe (drv=0x109e1f0, detect_only=0) at xf86Bus.c:82
#26 0x000000000046d3fe in xf86BusConfig () at xf86Bus.c:126
#27 0x000000000047ab82 in InitOutput (pScreenInfo=<optimized out>, argc=<optimized out>, argv=<optimized out>) at xf86Init.c:549
#28 0x0000000000438378 in dix_main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at main.c:204
#29 0x00007f57281c37c1 in __libc_start_main (main=0x421720 <main>, argc=12, argv=0x7ffcb2569eb8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
    stack_end=0x7ffcb2569ea8) at ../csu/libc-start.c:289
#30 0x0000000000421669 in _start () at ../sysdeps/x86_64/start.S:118